Variable-Speed Dehumidifier Control for Low-Humidity Moisture Removal
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Solution Overview
Problem
Conventional dehumidifiers lack efficient control mechanisms to adapt to varying ambient humidity levels, leading to suboptimal moisture removal efficiency, especially in low humidity conditions, and lack remote monitoring capabilities.
Innovation Solution
A dehumidifier system with a variable speed air mover controlled by sensors measuring ambient humidity, which adjusts airflow rates to maximize moisture removal by increasing residence time at the evaporator, and includes remote monitoring and control features via wireless communication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional dehumidifiers operate at fixed airflow rates, then the device structure is simple, but moisture removal efficiency is suboptimal in varying humidity conditions
Solution Approach 1:
The patent applies dynamics by implementing a variable speed air mover that can adjust its rotational speed based on ambient humidity conditions. The air mover transitions from fixed-speed operation to variable-speed operation, allowing the system to optimize airflow rates dynamically. This enables the dehumidifier to maintain optimal residence time at the evaporator across different humidity levels, thereby maximizing moisture removal efficiency without requiring complex control mechanisms.
Solution Approach 2:
The patent applies parameter changes by modifying the airflow rate parameter in response to ambient humidity conditions. Sensors detect humidity levels and trigger adjustments to the air mover speed, changing the operational parameters of the system. This allows the dehumidifier to adapt to varying environmental conditions, optimizing the balance between airflow rate and residence time at the evaporator to enhance moisture removal efficiency.
2Productivity
If dehumidifiers increase airflow rates to handle high humidity, then moisture removal capacity increases, but residence time at evaporator decreases reducing efficiency
Solution Approach 1:
The patent applies dynamics by implementing a variable speed air mover that can adjust its rotational speed based on ambient humidity conditions. The air mover transitions from fixed-speed operation to variable-speed operation, allowing the system to optimize airflow rates dynamically. This enables the dehumidifier to maintain optimal residence time at the evaporator across different humidity levels, thereby maximizing moisture removal efficiency without requiring complex control mechanisms.
Solution Approach 2:
The patent applies feedback by implementing a control system that uses sensors to monitor ambient humidity conditions and adjusts the air mover speed accordingly. The feedback loop continuously monitors humidity levels and modifies the airflow rate to maintain optimal residence time at the evaporator. This ensures that the system automatically balances moisture removal capacity with sufficient residence time, preventing the trade-off between handling high humidity and maintaining efficiency.
3Speed
If dehumidifiers operate continuously at high speed, then response to high humidity is fast, but energy consumption increases
Solution Approach 1:
The patent applies dynamics by implementing a variable speed air mover that can adjust its rotational speed based on ambient humidity conditions. The air mover transitions from fixed-speed operation to variable-speed operation, allowing the system to optimize airflow rates dynamically. This enables the dehumidifier to maintain optimal residence time at the evaporator across different humidity levels, thereby maximizing moisture removal efficiency without requiring complex control mechanisms.
Solution Approach 2:
The patent applies parameter changes by modifying the airflow rate parameter in response to ambient humidity conditions. Sensors detect humidity levels and trigger adjustments to the air mover speed, changing the operational parameters of the system. This allows the dehumidifier to adapt to varying environmental conditions, optimizing the balance between airflow rate and residence time at the evaporator to enhance moisture removal efficiency.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system achieves enhanced moisture removal efficiency by adjusting airflow rates based on ambient humidity and allows for remote operation and monitoring, improving performance and convenience.
Implementation Method 1
The components of the refrigeration cycle cool the air flow below the dew-point temperature so that water vapor in the air flow is condensed to liquid and removed
Data Source
AI summary
Systems and methods of automatically operating dehumidifiers in response to dehumidifier operating conditions are disclosed herein. A method of operating a dehumidifier configured in accordance with one embodiment includes directing air flow through the dehumidifier at a first volumetric flow rate while the dehumidifier is operating at a first operating condition. The method further includes changing the first volumetric flow rate to a second volumetric flow rate when the first operating condition of the dehumidifier changes to a predetermined second operating condition.